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Release Notes tell you what’s new in Firefox 54.0. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

Today’s release is the first to run Firefox using multiple operating system processes for web page content, making Firefox 54.0 faster and more stable than ever. Learn more about how multiple processes strike a “just right” balance between performance and memory use on the Mozilla Blog. Dive into the details (including performance benchmarks) on Medium.